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* gluster-blockd: parse create and delete outputsPrasanna Kumar Kalever2017-02-272-0/+48
| | | | | | | | | | | | | | | | The new parsed output of create and delete command will look like: $ gluster-block create sample/sample-block ha 2 ${HOST1} ${HOST2} 1GiB IQN: iqn.2016-12.org.gluster-block:aafea465-9167-4880-b37c-2c36db8562ea PORTAL(S): ${HOST1}:3260 ${HOST2}:3260 RESULT: SUCCESS $ gluster-block delete sample/sample-block SUCCESSFUL ON: ${HOST1} ${HOST2} RESULT: SUCCESS Change-Id: Id98e643c62a898a1f7298b6cfeb6ddfa10397b7f Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* cli: add traditional optionsPrasanna Kumar Kalever2017-02-271-20/+28
| | | | | | | | Though we do not use '--' style for arguments, this patch add supports for traditional options "--version, --help and --usage". Change-Id: Ie8bcf05dd46cb045c46ff9aa4f3079f87f848730 Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* cli: change in synopsis for gluster-block commandsPrasanna Kumar Kalever2017-02-242-80/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | from now we will have fixed formats for commands. The new outfit will look like: $ gluster-block help gluster-block (3ba7ec5) usage: gluster-block <command> <volname[/blockname]> [<args>] commands: create <volname/blockname> [ha <count>] <host1[,host2,...]> <size> create block device. list <volname> list available block devices. info <volname/blockname> details about block device. delete <volname/blockname> delete block device. help show this message and exit. version show version info and exit. Example usage: $ gluster-block create volume/blockname 192.168.0.1 1GiB $ gluster-block create volume/blockname ha 2 192.168.0.1,192.168.0.2 1GiB $ gluster-block list volume $ gluster-block info volume/blockname $ gluster-block delete volume/blockname Change-Id: Idc6b55c26432ed1ac3f002c2a2b3dbb81b180ec2 Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* lockfile: don't allow multiple instances of daemon to runPrasanna Kumar Kalever2017-02-211-1/+2
| | | | | | | | | | | | | | until now there is no check to defend on multiple runs of daemon within the same node. This patch takes a non blocking lock on 'gluster-blockd.lock' file, if it succeeds only then daemon is allowed to run, if there is already a lock on lock-file (taken by some other instance of gluster-blockd) we will exit. This patch also renames GB_UNIX_ADDRESS from gluster-block.socket to gluster-blockd.socket, as that makes better sense. Change-Id: I43b285f9da15d078fe3df4d231d0ef8d44272d8f Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-blockd: defend on connect() issuesPrasanna Kumar Kalever2017-02-201-7/+7
| | | | | | | | | | | | | | | currently remote connect(b/w gluster-blockd's) failed cases such as, ECONNREFUSED No-one listening on the remote address. ENETUNREACH Network is unreachable. ETIMEDOUT Timeout while attempting connection ... are considered as CONFIGFAIL, this patch defend on these errno's. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: improve log messagesPrasanna Kumar Kalever2017-02-201-12/+6
| | | | | | | improve strings add missing log messages wherever helpful Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: refactor return valuesPrasanna Kumar Kalever2017-02-193-6/+8
| | | | Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* cli: deprecate volserver optionPrasanna Kumar Kalever2017-02-171-5/+4
| | | | | | | volserver can be considered as "localhost", as we anyway tieing-up glusterd, gluster-blockd and cli processes. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* meta: thread safe GB_METAUPDATE_OR_GOTOPrasanna Kumar Kalever2017-02-161-1/+43
| | | | | | | | | | | | GB_METAUPDATE_OR_GOTO used an already opened glfs fd to update the meta data, since we have mpath number of threads writing to the same metadata file simultaneously, this will lead to thread concurrency and data consistency issues. Hence this patch protects GB_METAUPDATE_OR_GOTO with a lock and removes fd sharing by moving glfs_creat/open and glfs_close within the MACRO. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* daemon: fix minor bugsPrasanna Kumar Kalever2017-02-161-0/+1
| | | | | Reported-by: Pranith Kumar K <pkarampu@redhat.com> Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* cli: add command to furnish pkg version infoPrasanna Kumar Kalever2017-02-151-0/+2
| | | | | | | | | Improvements: Version info displaying. Improve help menu. This patch also makes 'mpath' option as optional (default: 1) Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* cli: cart off unwanted output from create commandPrasanna Kumar Kalever2017-02-151-0/+1
| | | | | | | | | | | | | | The response of below sub-operations as part of create are undesired $ targetcli set global auto_add_default_portal=false $ targetcli / saveconfig $ targetcli set attributes generate_node_acls=1 demo_mode_write_protect=0 Hence redirecting them to '/dev/null' This patch also fix a bug in the previous patch i.e. missed inverting [!] function return in if() Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-blockd: create logging directoriesPrasanna Kumar Kalever2017-02-152-4/+9
| | | | Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* daemon: redirect logs to logdirPrasanna Kumar Kalever2017-02-141-0/+1
| | | | | | replace fprintf calls with LOG() Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* cli: review fixes in gluster-blockPrasanna Kumar Kalever2017-02-112-3/+6
| | | | | | Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com> Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: create block files in '/block-store' dirPrasanna Kumar Kalever2017-02-082-1/+5
| | | | | | | | | | | | | | | | | till now we have '/block-meta' dir for meta files and actual block files used to reside in '/' dir. From now, lets place block files in '/block-store' So, this is how it looks like: $ tree /mnt/ /mnt/ ├── block-meta │   ├── meta.lock │   └── TARGET └── block-store └── 103e4cf1-bf41-404a-9fe1-b7c70fc33b3e Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* build: fix minor warningsPrasanna Kumar Kalever2017-02-082-3/+36
| | | | | | | mostly uninitialized use of variables. check return values from function calls. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: migrate build to libtoolz and create rpmPrasanna Kumar Kalever2017-02-075-0/+589
Till now we had simple makefile for checking dependencies and building. Using libtoolz will give more control on dependency checks and flexibility. This patch also introduce rpm build feature. Compiling: $ ./autogen.sh $ ./configure $ make -j $ make install Building RPMS: $ make rpms Running: $ systemctl start gluster-blockd.service Using CLI: $ gluster-block help Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
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